The Minimum You Need
Most people have a version of this story. Life gets busy—a deadline, a sick kid, a week that simply gets away from you—and the training falls apart. One missed session becomes three, and somewhere in that gap, a voice starts telling you that the whole thing is falling apart too. The fitness you've built is eroding. You're losing ground. And because you can't do it properly, there's almost no point in doing it at all.
This is the all-or-nothing trap, and it is responsible for more lost fitness than any injury, any bad program, or any lack of motivation.
The concept of the minimum effective dose comes from pharmacology: the smallest amount of something that produces the desired result. Beyond that dose, more doesn't help—and sometimes actively harms. Applied to training, it asks a different question than the one most people are asking. Instead of "how much do I need to do to keep improving?", it asks: "how little do I need to do to keep what I have?"
The answer is less than you think. Research on detraining consistently shows that the volume required to maintain strength and muscle mass is significantly lower than the volume required to build it. A single well-executed session per week—heavy enough, intense enough—is often sufficient to preserve months of accumulated work. Two sessions is comfortable maintenance. Three is where you start building again. The threshold between "falling apart" and "holding steady" is much lower than most people assume.
This matters because the alternative to minimum effective dose training isn't a full program — it's nothing. When people believe that a 25-minute session doesn't count, they do nothing. When they believe that training twice this week instead of four times means they've failed, they do nothing. The all-or-nothing mindset turns a minor disruption into a complete stop—and complete stops are where fitness actually goes to die.
We've both had stretches where life didn't allow for more than one solid session a week or a couple of microworkouts here and there. The instinct is to treat those weeks as losses. They aren't. They are maintenance weeks. The work you've already done isn't gone—it's waiting, and a single session is enough to tell your body it still needs to hold onto it.
Show up, do the work, close the loop. That's not a bad week of training. That's a week where you refused to let the gap widen. The minimum you need is not a consolation prize. It is a strategy. It is how you stay in the game through a difficult month without losing the year. It is how you build a training life that survives real life—not a training life that only works when conditions are perfect, which is to say, almost never.
Do less when you have to, but don't do nothing.
Until next time,
Scott and Lennart